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Finding the Fourth Proportional to 30,668.69, 45,944.37 and 25,702.83

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Solution

The fourth proportional to 30,668.69, 45,944.37 and 25,702.83 is: 38,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.69 : 45,944.37 = 25,702.83 : x
  2. Step 2: Convert to fraction form
    30,668.69/45,944.37 = 25,702.83/x
  3. Step 3: Cross multiply
    30,668.69x = 45,944.37 × 25,702.83
  4. Step 4: Simplify right side
    30,668.69x = 1,180,900,331.57
  5. Step 5: Solve for x
    x = 1,180,900,331.57/30,668.69
  6. Step 6: Final answer
    x = 38,505.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.